Question

His smile is like an infant's [turn into negative sentence]

Answer 1

$<b>♥️ Hey mate ♥️$

✨ Here's ur answer

His smile is not like an infant's

✨ (note : in conversion of affirmative into negative.. We put no or not.)

⭐ HOPE IT HELPS ⭐

Answer 2

$\huge \blue{hello}$
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We u get a chance to change any sentence into negative , Then you must have to use 'no,not'

SO ACCORDING TO YOUR QUE,HERE IS MY ANSWER ⤵⤵

Ans = His smile is not like an infant's .

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